Frontier

Frontier Airlines is a wholly owned subsidiary of Indianapolis-based Republic Airways Holdings Inc, an airline holding company that also owns Chautauqua Airlines, Republic Airlines, and Shuttle America.
Currently in its 18th year of operations, Frontier employs more than 4,500 aviation professionals and operates more than 350 daily flights. Its primary hub is at the Denver International Airport. Frontier offers service to more than 80 destinations in the United States, Costa Rica, the Dominican Republic, Jamaica, and Mexico.